Abstract
The yeastRhodotorula glutinis converts bothd-glucose andd-xylose up to 40% to trehalose, the final intracellular level reaching as much as 65 mg trehalose/g dry wt. The reaction ofd-xylose is inhibited byd-glucose both at the transport and the metabolic level. The formation of CO2 both from endogenous and from externally added trehalose is low. Uncouplers of oxidative phosphorylation (2,4-dinitrophenol and carbonylcyanidem-chlorophenylhydrazone) increase the endogenous production of CO2 together with a decrease of the intracellular level of trehalose. It is likely that trehalose can serve as a reserve substance forRhodotorula glutinis and that its degradation is blocked during the stationary phase of growth.
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Janda, S., Kotyk, A. Some features of carbohydrate metabolism inRhodotorula glutinis . Folia Microbiol 17, 461–470 (1972). https://doi.org/10.1007/BF02872731
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DOI: https://doi.org/10.1007/BF02872731